For a given input string str, find how many spaces are there in the string and replace those spaces with *
e.g. str = 'this is demo of replacing spaces with stars';
out = 'this*is*demo*of*replacing*spaces*with*stars'
Back to basics 15 - Benchmark
Stuff the Board
Multiply a column by a row
04 - Scalar Equations 1
Area of an equilateral triangle
Return the names and values of the input arguments of a function
Create an index-powered vector
Create a matrix with difference of each row of input matrix
Matrix multiplication across rows
Matrix rotation as per given angle
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